ADU Contractors near San Ramon, CA
Tiny House Basics
5433 Clayton Road, Clayton, CA 94517
13 miles
Tiny House Basics designs custom tiny house trailers with insulated floors, no thermal bridging, and build-ready delivery. Models range from 10–50ft, up to 12ft wide, in bumper pull or gooseneck styles. Lifetime consulting included.
read more
Done Right Builders and Remodeling
1825 De La Cruz Boulevard, Santa Clara, CA 95050
27.8 miles
Done Right Builders & Remodeling is a licensed Bay Area ADU contractor (Lic#1002689) with 20+ years experience. Services include detached/attached ADUs, JADUs & garage conversions in Union City, Hayward, San Jose & Santa Clara.
read more
Ogawa Fisher Architects
715 Colorado Avenue, Palo Alto, CA 94303
24.5 miles
Ogawa Fisher Architects, a Palo Alto firm with 20+ years experience, offers residential architecture and interior design, specializing in Passive House standards and ADU, JADU, and accessory structure projects from schematic design through constru... read more
ON Design & Remodeling
1762 Technology Drive, San Jose, CA 95110
27.1 miles
ON Design & Remodeling is a Bay Area ADU builder offering home additions, garage conversions, granny flats, and in-law suites. They help homeowners expand living space, boost property value, and generate rental income.
read more
Alon Design & Remodeling
722 Charcot Avenue, San Jose, CA 95131
26 miles
Alon Design & Remodeling is a leading ADU contractor offering detached, attached, garage conversion, basement, and JADU options. ADUs boost property value, generate rental income, and provide independent living spaces with full amenities.
read more
Greenberg Construction
908 Industrial Avenue, Palo Alto, CA 94303
22.9 miles
Greenberg Construction builds custom ADUs, including detached units & garage conversions. Services include 3D renderings, dedicated project management, eco-friendly options & expert design guidance to add value & living space to your p... read more
Parsa Construction
1105 Fair Weather Circle, Concord, CA 94518
13.3 miles
Parsa Construction offers residential & commercial remodeling, ADU construction, and retrofit services. Specializing in kitchen, bathroom, room additions, and accessory dwelling units like granny flats and detached ADUs, they manage permits, d... read more
G Squared Construction
67 Martha Road, Orinda, CA 94563
14.6 miles
Griggs Construction
6118 Market Street, Oakland, CA 94608
19.4 miles
Metricon Homes
2010 Crow Canyon Road, Suite 100, San Ramon, CA 94583
2.3 miles
Metricon Homes offers ADU construction and garage conversion services. Choose from 5 sizes: Marigold, Camellia, Magnolia, Dahlia, and Sunflower. Their Design to Doorstep process covers custom design to completion. Licensed contractor: Tobin Brinke... read more
Larson Shores Architects
1295 Alabama Street, San Francisco, CA 94110
28.5 miles
Larson Shores Architects is a San Francisco-based firm offering residential, ADU, and commercial design services. Founded in 2007 by Josh Larson, they specialize in new builds, garage conversions, in-law suites, and full permit navigation across t... read more
Cajigas Construction Inc.
566 N Grant Ave, San Joaquin, CA 95336
39.5 miles
Cajigas Construction Inc. is a licensed ADU builder with 35+ years of experience serving Sacramento, Stanislaus, and San Joaquin Counties. Services include detached ADUs, JADUs, garage conversions, new home construction, and REO property services.... read more
Build My Casita
652 Gilman Street, Palo Alto, CA 94301
25.1 miles
Ingenious General Construction
2890 North Main Street, Walnut Creek, CA 94597
13.2 miles
Ingenious General Construction is a BBB-certified, licensed contractor in Walnut Creek, CA, serving the East Bay. With 20 years of experience, they offer ADUs, kitchen & bathroom remodeling, home additions, pool construction, and landscaping.<... read more
Kaplan Architects
49 Zoe Street, San Francisco, CA 94107
25.1 miles
Kaplan Architects added a 280 sq ft ADU to an existing garage in Crocker Highlands, Oakland. Built into a hillside, it features a kitchenette, full bath, and Tudor-style exterior, serving as office, studio, or rental unit.
read more
Other cities in California
What you need to know
ADU Contractors in San Ramon: Building in One of California's Most Affluent Cities
San Ramon, California, is consistently ranked among the wealthiest and most desirable cities in the Bay Area, with a median household income well above the state average. Located in Contra Costa County within the San Ramon Valley, this thriving city is home to major corporate headquarters and a highly educated population. As housing demand continues to surge across the Bay Area, ADU contractors in San Ramon are playing a critical role in helping homeowners maximize their property value and address the region's housing shortage.
San Ramon ADU Regulations and Zoning Requirements
Before breaking ground, experienced ADU contractors in San Ramon must navigate the city's specific zoning and permitting requirements. San Ramon follows California state ADU laws (AB 68, AB 881, and SB 13), which streamlined ADU approvals statewide, but the city also enforces its own local standards. Key regulations include:
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot rear and side setback is typically required for detached ADUs.
- Height limits: Detached ADUs are generally limited to 16 feet in height.
- Owner-occupancy: San Ramon previously required owner-occupancy, but state law has suspended this requirement through 2025.
- Parking: In many cases, one replacement parking space is required when a garage is converted, though exceptions apply near transit corridors.
Types of ADUs Built by San Ramon Contractors
Professional ADU builders in San Ramon offer a variety of construction options tailored to the city's predominantly single-family residential neighborhoods. Common ADU types include:
- Detached ADUs: Standalone structures built in backyards, ideal for larger lots common in San Ramon neighborhoods like Gale Ranch and Windemere.
- Attached ADUs: Units added to the side or rear of an existing home.
- Garage Conversions (ADUs): Converting existing garages into livable space, a cost-effective option popular in San Ramon.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of a primary residence.
Why Hire a Local ADU Contractor in San Ramon?
Working with a licensed ADU contractor familiar with San Ramon ensures your project complies with Contra Costa County building codes, the City of San Ramon's Community Development Department requirements, and California Title 24 energy efficiency standards. Local contractors understand the soil conditions, HOA restrictions common in master-planned communities, and the permitting timelines specific to this city. A knowledgeable contractor can also help you leverage California's ADU fee waivers for units under 750 square feet, potentially saving thousands of dollars.
Whether you're looking to generate rental income, house extended family, or increase your property's resale value, partnering with a qualified ADU contractor in San Ramon, CA is the smartest first step toward a successful build.